Radiused piston head



FIG. 1 is a top perspective view;

FIG. 2 is a bottom perspective view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a side view;

FIG. 6 is a side view;

FIG. 7 is a side view; and,

FIG. 8 is a side view. 

The ornamental design for a radiused piston head, as shown. 